98022-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98022-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,2 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98022-70:
(7*9)+(6*8)+(5*0)+(4*2)+(3*2)+(2*7)+(1*0)=139
139 % 10 = 9
So 98022-70-9 is a valid CAS Registry Number.